EP 1914393 A3 20140709 - Steam valve and steam turbine plant
Title (en)
Steam valve and steam turbine plant
Title (de)
Dampfventil und Dampfturbinenanlage
Title (fr)
Soupape de vapeur et turbine à vapeur
Publication
Application
Priority
JP 2006283752 A 20061018
Abstract (en)
[origin: EP1914393A2] A steam valve (2) has: a valve casing (5); a valve seat (8); a main valve body (14) slidable to abut to or to detach from the valve seat; a bypass valve body (15) slidably disposed in the main valve body; a cylindrical flow guide (21) surrounding the annular wall (16) of the bypass valve body; and a strainer (9) surrounding the main valve body and the flow guide. The bypass valve body has a steam passage (18) and the annular wall that protrudes out of the main valve body when the bypass valve body is in an open position. The annular wall has steam inlet ports (17). The flow guide guides steam from outside to flow through a space between the annular wall and the flow guide so as to admit steam into the steam passage in the bypass valve body through whole peripheral part of the annular wall.
IPC 8 full level
F01D 17/10 (2006.01)
CPC (source: EP US)
F01D 17/10 (2013.01 - EP US); F05D 2220/31 (2013.01 - EP US); Y10T 137/7837 (2015.04 - EP US)
Citation (search report)
- [A] JP 2006046331 A 20060216 - TOSHIBA CORP
- [A] US 4986309 A 19910122 - BELLANCA CHARLES P [US]
- [A] EP 1557537 A1 20050727 - TOSHIBA KK [JP]
- [A] US 6655409 B1 20031202 - STEENBURGH JOHN HOWARD [US], et al
- [A] FR 2309708 A1 19761126 - BBC BROWN BOVERI & CIE [CH]
- [A] EP 1707754 A2 20061004 - ALSTOM TECHNOLOGY LTD [CH]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
EP 1914393 A2 20080423; EP 1914393 A3 20140709; EP 1914393 B1 20150715; CN 101165319 A 20080423; CN 101165319 B 20110824; JP 2008101516 A 20080501; JP 4776494 B2 20110921; US 2008251140 A1 20081016; US 7784279 B2 20100831
DOCDB simple family (application)
EP 07020202 A 20071016; CN 200710166819 A 20071018; JP 2006283752 A 20061018; US 90582107 A 20071004